/**
* Add a Volunteer to an existing Job if the given data is valid.
*
* @param theVolunteerInfo the email of the Volunteer and their desired work grade.
* @param theJobID the ID number for the Job to which the Volunteer will be added.
* @return true if the Volunteer was added to the Job; false otherwise.
* @throws IllegalArgumentException thrown for various input errors.
*/
public boolean addVolunteerToJob(List<String> theVolunteerInfo, int theJobID)
throws IllegalArgumentException {
// Check that the Job ID is valid.
boolean validID = checkJobValidity(theJobID);
if (!validID) {
throw new IllegalArgumentException("Sorry, but the Job ID you entered was invalid.");
}
// Check that the Job exists.
Job thisJob = findJob(theJobID);
if (thisJob == null) {
throw new IllegalArgumentException(
"Sorry, but the Job you are trying to sign up for does not exist.");
}
// Check that the Job has not already been completed.
if (!(new BusinessRule6().test(thisJob))) {
throw new IllegalArgumentException(
"Sorry, but you cannot sign up for a job has already completed.");
}
// Check that the Volunteer is not signed up for a Job that occurs on the same date.
if (new BusinessRule7().test(theVolunteerInfo.get(0), thisJob, myJobList)) {
throw new IllegalArgumentException(
"Sorry, but you are already signed up " + "for a job that occurs the same date!");
}
// Check that the grade of work that the Volunteer is signing up for is not already full.
if (!(new BusinessRule3().test(thisJob, theVolunteerInfo.get(1)))) {
throw new IllegalArgumentException("Sorry, but that grade in this job " + "is already full.");
}
// If all the checks pass, we add the Volunteer to the Job's Volunteer List.
thisJob.getVolunteerList().add(theVolunteerInfo);
return true;
}
/**
* Receive a job and add it to the master JobList if its data is valid.
*
* @param theJob the Job to potentially add to Schedule's List of Jobs.
* @return true if theJob was added; false otherwise.
*/
public boolean receiveJob(Job theJob) throws IllegalArgumentException {
/*
* We subject both the Job and JobList to a wide variety of tests.
* If all of the tests are passed, then we add the Job to the JobList.
*/
boolean addFlag = true;
if (theJob == null) addFlag = false;
// Check to ensure that the total number of pending jobs is less than 30.
else if (!(new BusinessRule1().test(myJobList))) {
throw new IllegalArgumentException(
"Sorry, but the limit of 30 pending jobs has already been reached.");
}
/*
* Check to ensure that the total number of Jobs for the week that this Job is to occur is
* less than 5.
* A week is defined as 3 days before a Job's Start Date and 3 days after its End Date.
*/
else if (!(new BusinessRule2().test(theJob, myJobList))) {
throw new IllegalArgumentException(
"Sorry, but the limit of 5 jobs has already been reached for the week that "
+ "this job was scheduled.");
}
// Check that the Job is not scheduled to last longer than two days.
else if (!(new BusinessRule4().test(theJob))) {
throw new IllegalArgumentException("Sorry, but a job cannot last any longer than two days.");
}
// Check that a Job is scheduled to begin after the current date.
else if (!(new BusinessRule5().pastTest(theJob))) {
throw new IllegalArgumentException(
"Sorry but the date you entered for this " + "job has already passed.");
}
// Check that a Job is scheduled to begin within the next three months.
else if (!(new BusinessRule5().futureTest(theJob))) {
throw new IllegalArgumentException(
"Sorry but the date you entered is too far "
+ "into the future. \nAll jobs must be scheduled within the next 3 months.");
}
// Check that the Start Date and End Date are not swapped.
else if (theJob.getStartDate().after(theJob.getEndDate())) {
throw new IllegalArgumentException(
"Sorry, but the Start Date must come before or on the same date as the End Date.");
}
// Check that the Job ID is valid.
else if (theJob.getJobID() < 0 || theJob.getJobID() > Job.MAX_NUM_JOBS) {
throw new IllegalArgumentException("Error: Invalid Job ID. Please logout and try again.");
}
// Check that the Volunteer List is not null.
else if (theJob.getVolunteerList() == null) {
throw new IllegalArgumentException(
"Error: Null Volunteer List. Please logout and try again.");
}
// Check that the Volunteer List is empty.
else if (!theJob.getVolunteerList().isEmpty()) {
throw new IllegalArgumentException(
"Error: Non-empty Volunteer List. Please logout and try again.");
}
// Check that there is at least one slot available for a Volunteer to sign up for.
else if (!theJob.hasLightRoom() && !theJob.hasMediumRoom() && !theJob.hasHeavyRoom()) {
throw new IllegalArgumentException(
"Sorry, but a slot in at least one Volunteer Grade must be available.");
}
// Check that none of the slots are set to negative numbers.
else if (theJob.getLightCurrent() > theJob.getLightMax()
|| theJob.getMediumCurrent() > theJob.getMediumMax()
|| theJob.getHeavyCurrent() > theJob.getHeavyMax()) {
throw new IllegalArgumentException(
"Sorry, but the number of slots for a Volunteer Grade cannot be negative.");
}
// Check that the Park for the Job is not null.
else if (theJob.getPark() == null) {
throw new IllegalArgumentException("Error: Null Park. Please logout and try again.");
}
// Check that the ParkManager for the Job is not null.
else if (theJob.getManager() == null) {
throw new IllegalArgumentException("Error: Null ParkManager. Please logout and try again.");
}
// If all tests passed, then we add the Job to the Schedule.
if (addFlag) {
// To get the master job list which is editable
List<Job> editableJobList = myJobList.getJobList();
editableJobList.add(theJob); // add valid job to list
} else {
// If we somehow got here without throwing an exception, and the Job is not valid, then we
// throw a general exception.
throw new IllegalArgumentException(
"Error: Job data is invalid for unknown reasons. Please logout and try again.");
}
return addFlag;
}